13
grouch(noun, verb, person, happy, express)
6
mope(verb, sulk, grumble, languish, pine)
5
churl
5
crank(noun, happy, informal)
5
crosspatch(noun, bear, pain, bug, police)
5
sourpuss(noun, person, slang, happy, grouch)
4
complainer(noun, person, happy, whiner)
4
crab(noun, verb, phrasal verb, person, happy)
4
pout(verb, idle, sulk, grumble, languish)
3
bad tempered person(expression, idiom)
3
bear(noun, person, informal, bug, police)
3
bitch(verb, phrasal verb, slang, happy, express)
3
gripe(noun, verb, phrasal verb, happy, express)
3
grouse(noun, verb, phrasal verb, criticize, happy)
3
grumbler(noun, happy, bear, bug, crab)
3
killjoy
3
malcontent(noun, person)
3
murmurer(noun, happy, bear, bug, police)
3
mutterer(noun, happy, bear, bug, police)
3
sorehead(noun, person, slang, happy, bear)
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APASmart Define. (2015). grump thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/grump/thesaurus/synonyms
ChicagoSmart Define. 2015. "grump thesaurus" https://smartdefine.org/grump/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, grump thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/grump/thesaurus/synonyms>.
MLASmart Define. "grump thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/grump/thesaurus/synonyms>